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  • Industry-leading protection

    Delivering innovation and reliable protection for the past 60 years, ComPact NSX molded case circuit breakers – as well as the brand new, smaller ComPact NSXm range – now feature integrated earth leakage protection.
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Integrated earth leakage protection

ComPact NSX molded case circuit breakers up to 630A feature integrated earth leakage protection, so now you can save time and work more efficiently.
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Smallest size in the range

ComPact NSXm molded case circuit breakers and switch connectors, the newcomer to the ComPact family, are delivering innovation in a smaller design, up to 160A.
Make the switch and experience easier mounting, installing and cabling. Available in three standard frame sizes thanks to the addition of ComPact NSXm, ComPact NSX molded case circuit breakers feature integrated earth leakage protection and standardized accessories – which means you save space, time and effort!
Experience peace of mind with molded case circuit breakers optimized in size and featuring innovations tailored to your needs. Roto-active™ breaking technology, helps to increase operation lifespan. You can depend on the ComPact range, even in the most stressful of environments.
Local and remote communication with trip alarm and pre-alarms enable increased proactive operational and energy efficiency. Designed to work within the EcoStruxure™ Power architecture, it delivers corrective, preventative and predictive maintenance as well as power management solutions.
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    Optimize your electrical distribution design

    Get more insights on low voltage selectivity, cascading and coordination tables including the new MasterPact MTZ air circuit breakers, ComPact NSX & NSXm molded case circuit breakers, Acti 9 miniature circuit breakers and more in our complimentary technical guide.
    • Connect to EcoStruxure Power

      The ComPact NSX range is designed to connect to EcoStruxure Power, an IoT-connected architecture that is designed to improve every aspect of your power distribution system. Take complete control with real-time data and smart analytics for predictive maintenance.
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      Electrical fire protection begins with prevention

      Across the globe, electrical fires cause significant damage to buildings of all sizes. Compact NSX MCCBs are just one of our solutions for electrical fire prevention. Explore the risk areas, discover protection tips and view our other solutions to help you design, build and install.
    • Go green with ComPact NSX

      Our Green Premium ecolabel brings complete environmental information to everyone, from homeowners, building managers, and architects, to our distributors and partners.

    Discover more technical information

    ComPact NSX is a full range of high performance molded case circuit breakers designed to meet your needs from thermal-magnetic to advanced MicroLogic trip units. Explore the additional features, benefits and technical information.

    Explore the ComPact NSX & NSXm catalog

    View the latest ComPact NSX and NSXm catalog to discover our comprehensive, optimized range of circuit breakers and switch disconnectors.

    View all the ComPact products

    Future-proof your installation with Pact Series

    Built on legendary Schneider Electric innovation, the Pact Series comprises world-class circuit breakers, switches, residual current devices and fuses, for all standard and specific applications. Experience robust performance with Pact Series within the EcoStruxure-ready switchgears, from 16 to 6300A in low-voltage and up to 40.5kV in medium-voltage.
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